linux-kernel - Re: [PATCH 05/61] clk: samsung: simplify getting .drvdata

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Date:   Tue, 24 Apr 2018 16:30:47 +0900
From:   Chanwoo Choi <cw00.choi@...sung.com>
To:     Wolfram Sang <wsa+renesas@...g-engineering.com>,
        linux-kernel@...r.kernel.org
Cc:     linux-renesas-soc@...r.kernel.org, kernel-janitors@...r.kernel.org,
        Kukjin Kim <kgene@...nel.org>,
        Krzysztof Kozlowski <krzk@...nel.org>,
        Sylwester Nawrocki <s.nawrocki@...sung.com>,
        Tomasz Figa <tomasz.figa@...il.com>,
        Michael Turquette <mturquette@...libre.com>,
        Stephen Boyd <sboyd@...nel.org>,
        linux-arm-kernel@...ts.infradead.org,
        linux-samsung-soc@...r.kernel.org, linux-clk@...r.kernel.org
Subject: Re: [PATCH 05/61] clk: samsung: simplify getting .drvdata

Hi,

On 2018년 04월 19일 23:05, Wolfram Sang wrote:
> We should get drvdata from struct device directly. Going via
> platform_device is an unneeded step back and forth.
> 
> Signed-off-by: Wolfram Sang <wsa+renesas@...g-engineering.com>
> ---
> 
> Build tested only. buildbot is happy. Please apply individually.
> 
>  drivers/clk/samsung/clk-s3c2410-dclk.c | 6 ++----
>  1 file changed, 2 insertions(+), 4 deletions(-)
> 
> diff --git a/drivers/clk/samsung/clk-s3c2410-dclk.c b/drivers/clk/samsung/clk-s3c2410-dclk.c
> index 077df3e539a7..f41d89cef0f1 100644
> --- a/drivers/clk/samsung/clk-s3c2410-dclk.c
> +++ b/drivers/clk/samsung/clk-s3c2410-dclk.c
> @@ -219,8 +219,7 @@ static int s3c24xx_dclk1_div_notify(struct notifier_block *nb,
>  #ifdef CONFIG_PM_SLEEP
>  static int s3c24xx_dclk_suspend(struct device *dev)
>  {
> -	struct platform_device *pdev = to_platform_device(dev);
> -	struct s3c24xx_dclk *s3c24xx_dclk = platform_get_drvdata(pdev);
> +	struct s3c24xx_dclk *s3c24xx_dclk = dev_get_drvdata(dev);
>  
>  	s3c24xx_dclk->reg_save = readl_relaxed(s3c24xx_dclk->base);
>  	return 0;
> @@ -228,8 +227,7 @@ static int s3c24xx_dclk_suspend(struct device *dev)
>  
>  static int s3c24xx_dclk_resume(struct device *dev)
>  {
> -	struct platform_device *pdev = to_platform_device(dev);
> -	struct s3c24xx_dclk *s3c24xx_dclk = platform_get_drvdata(pdev);
> +	struct s3c24xx_dclk *s3c24xx_dclk = dev_get_drvdata(dev);
>  
>  	writel_relaxed(s3c24xx_dclk->reg_save, s3c24xx_dclk->base);
>  	return 0;
> 

Reviewed-by: Chanwoo Choi <cw00.choi@...sung.com>

-- 
Best Regards,
Chanwoo Choi
Samsung Electronics